Aftermarket Diaphragm For DB Technologies DVA T4, DVA T8, DVA T12 Tweeter 8Ω Voice coil diameter: 35.5mmOverall diameter: 54mmDiaphragm material: PolymerNominal impedance: 8ΩOverall length: 66.6mmPacking: 1 piece We ship from China via SpeedPak to most of the countries. Most of the orders will be shipped the next day. Weekends orders will be shipped the next Monday. Please feel free to contact us, if there is any problems